diff options
Diffstat (limited to 'wso2/wso2bpel-ext/wso2bpel-core/BPEL4RESTLight/src/main/java/org/opentosca/bpel4restlight/rest/HighLevelRestApi.java')
| -rw-r--r-- | wso2/wso2bpel-ext/wso2bpel-core/BPEL4RESTLight/src/main/java/org/opentosca/bpel4restlight/rest/HighLevelRestApi.java | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/wso2/wso2bpel-ext/wso2bpel-core/BPEL4RESTLight/src/main/java/org/opentosca/bpel4restlight/rest/HighLevelRestApi.java b/wso2/wso2bpel-ext/wso2bpel-core/BPEL4RESTLight/src/main/java/org/opentosca/bpel4restlight/rest/HighLevelRestApi.java new file mode 100644 index 0000000..ec10959 --- /dev/null +++ b/wso2/wso2bpel-ext/wso2bpel-core/BPEL4RESTLight/src/main/java/org/opentosca/bpel4restlight/rest/HighLevelRestApi.java @@ -0,0 +1,178 @@ +/******************************************************************************* + * Copyright (c) 2012-2013 University of Stuttgart. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * and the Apache License 2.0 which both accompany this distribution, + * and are available at http://www.eclipse.org/legal/epl-v10.html + * and http://www.apache.org/licenses/LICENSE-2.0 + *******************************************************************************/ +/* + * Modifications Copyright 2016-2017 ZTE Corporation. + */ +/** + * This class wraps HTTP-Method functionality and thereby abstracts from low + * level code to simplify the usage. + */ +package org.opentosca.bpel4restlight.rest; + +import org.apache.commons.httpclient.HttpMethodBase; +import org.apache.commons.httpclient.NameValuePair; +import org.apache.commons.httpclient.methods.DeleteMethod; +import org.apache.commons.httpclient.methods.GetMethod; +import org.apache.commons.httpclient.methods.PostMethod; +import org.apache.commons.httpclient.methods.PutMethod; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; +import org.apache.http.HttpHeaders; + + +public class HighLevelRestApi { + protected static final Log log = LogFactory.getLog(HighLevelRestApi.class); + /** + * This method implements the HTTP Put Method + * + * @param uri + * Resource URI + * @param requestPayload + * Content which has to be put into the Resource + * @return ResponseCode of HTTP Interaction + */ + @SuppressWarnings("deprecation") + public static HttpResponseMessage Put(String uri, String requestPayload, String acceptHeaderValue, String contentTypeHeader) { + + PutMethod method = new PutMethod(uri); + // requestPayload = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + + // requestPayload; + + HighLevelRestApi.setHeader(method, acceptHeaderValue, contentTypeHeader); + method.setRequestBody(requestPayload); + + HttpResponseMessage responseMessage = LowLevelRestApi.executeHttpMethod(method); + + // kill <?xml... in front of response + HighLevelRestApi.cleanResponseBody(responseMessage); + + return responseMessage; + } + + /** + * This method implements the HTTP Post Method + * + * @param uri + * Resource URI + * @param requestPayload + * Content which has to be posted into the Resource + * @return ResponseCode of HTTP Interaction + */ + @SuppressWarnings("deprecation") + public static HttpResponseMessage Post(String uri, String requestPayload, String acceptHeaderValue, String contentTypeHeader) { + + PostMethod method = null; + if (uri.contains("?")) { + log.debug("Found query trying to split"); + String[] split = uri.split("\\?"); + log.debug("Raw URI part: " + split[0]); + log.debug("Raw Query part: " + split[1]); + method = new PostMethod(split[0]); + method.setQueryString(HighLevelRestApi.createNameValuePairArrayFromQuery(split[1])); + } else { + method = new PostMethod(uri); + ; + } + method.setRequestBody(requestPayload); + HighLevelRestApi.setHeader(method, acceptHeaderValue, contentTypeHeader); + HttpResponseMessage responseMessage = LowLevelRestApi.executeHttpMethod(method); + HighLevelRestApi.cleanResponseBody(responseMessage); + return responseMessage; + } + + /** + * This method implements the HTTP Get Method + * + * @param uri + * Resource URI + * @return Content represented by the Resource URI + */ + public static HttpResponseMessage Get(String uri, String acceptHeaderValue, String contentTypeHeader) { + log.debug("Setting URI to: \n"); + log.debug(uri); + GetMethod method = null; + if (uri.contains("?")) { + log.debug("Found query trying to split"); + String[] split = uri.split("\\?"); + log.debug("Raw URI part: " + split[0]); + log.debug("Raw Query part: " + split[1]); + + method = new GetMethod(split[0]); + method.setQueryString(HighLevelRestApi.createNameValuePairArrayFromQuery(split[1])); + } else { + method = new GetMethod(uri); + } + HighLevelRestApi.setHeader(method, acceptHeaderValue, contentTypeHeader); + HttpResponseMessage responseMessage = LowLevelRestApi.executeHttpMethod(method); + HighLevelRestApi.cleanResponseBody(responseMessage); + return responseMessage; + } + + private static NameValuePair[] createNameValuePairArrayFromQuery(String query) { + // example: + // csarID=Moodle.csar&serviceTemplateID={http://www.example.com/tosca/ServiceTemplates/Moodle}Moodle&nodeTemplateID={http://www.example.com/tosca/ServiceTemplates/Moodle}VmApache + log.debug("Splitting query: " + query); + String[] pairs = query.trim().split("&"); + NameValuePair[] nameValuePairArray = new NameValuePair[pairs.length]; + int count = 0; + for (String pair : pairs) { + log.debug("Splitting query pair: " + pair); + String[] keyValue = pair.split("="); + NameValuePair nameValuePair = new NameValuePair(); + log.debug("Key: " + keyValue[0] + " Value: " + keyValue[1]); + nameValuePair.setName(keyValue[0]); + nameValuePair.setValue(keyValue[1]); + nameValuePairArray[count] = nameValuePair; + count++; + } + return nameValuePairArray; + } + + /** + * This method implements the HTTP Delete Method + * + * @param uri + * Resource URI + * @return ResponseCode of HTTP Interaction + */ + public static HttpResponseMessage Delete(String uri, String acceptHeaderValue, String contentTypeHeader) { + + DeleteMethod method = new DeleteMethod(uri); + HighLevelRestApi.setHeader(method, acceptHeaderValue, contentTypeHeader); + HttpResponseMessage responseMessage = LowLevelRestApi.executeHttpMethod(method); + HighLevelRestApi.cleanResponseBody(responseMessage); + return responseMessage; + } + + private static void setHeader(HttpMethodBase method, String accept, String contentType) { + if (!"".equals(accept)) { + method.setRequestHeader(HttpHeaders.ACCEPT, accept); + } else { + method.setRequestHeader(HttpHeaders.ACCEPT, "application/xml"); + } + + if (contentType != null && !"".equals(contentType)) { + method.setRequestHeader(HttpHeaders.CONTENT_TYPE, contentType); + } else { +// method.setRequestHeader("Accept", accept); + } + + } + + private static void cleanResponseBody(HttpResponseMessage responseMessage) { + log.debug("ResponseBody: \n"); + if (responseMessage != null && responseMessage.getResponseBody() != null) { + log.debug(responseMessage.getResponseBody()); + String temp = responseMessage.getResponseBody() + .replace("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>", ""); + responseMessage.setResponseBody(temp); + } + } + +} |